Skip to content
Seiko Prospex Sea

Seiko Prospex Sea

Quartz

Ref. S23626J1

Collection: ProspexCase size: 49.4mmMovement: 7C46

The Seiko Prospex Sea, reference S23626J1, has a 49.4 mm case and is a limited edition of 1,978 pieces. This dive watch measures 15.3 mm thick and is water resistant to 1000 metres. The quartz calibre 7C46 has a battery life of approximately 60 months. A sapphire crystal covers the black dial, which shows the date and weekday with central seconds. LumiBrite is on the hands and indices. The case has a screw-down crown and 22 mm lug spacing. The strap is silicone.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 24 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

1,978 pieces

CASE

Diameter

49.4mm

Thickness

15.3mm

Lug to Lug

49.4mm

Lug Width

22mm

Water Resistance

1000m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Quartz

Caliber

7C46

Jewels

7 jewels

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Silicon

FEATURES & COMPLICATIONS

Central secondsDateLimited EditionLuminous handsLuminous indicesRotating BezelScrew-Down CrownWeekday

More from Seiko

Show all →

Other watches with the 7C46 calibre

Show all →

FOR WATCH DEALERS

Trading the Seiko Prospex Sea?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.